<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
  <link rel="stylesheet" href="./style.css">
</head>
<body>
<div class="wrapper">
    <div class="input-data">
        <input type="text" required>
        <div class="underline"></div>
        <label>您的姓名</label>
    </div>
</div>
</body>
</html>